Arcturus is expected to be more transmissible than past variants and that is why it is quickly outcompeting other variants, Chin-Hong said. Most of what scientists know now about the latest variant ...

Los Angeles County has identified its first cases of an emerging Omicron coronavirus subvariant dubbed Arcturus, a strain global health authorities are watching closely as it has been linked to an ...

CDC and WHO experts say Arcturus is 1.2 times more infectious than the Kraken variant and responsible for 1 in 10 new cases.